NO. itio. NE W SO UTH A M ERICA N MO THS—SCHA W. 247 



Genus DICENTRIA Herrich-Schaeffer. 

 DICENTRIA VALLIMA, new species. 



Head and thorax brown, mottled with olivaceous and reddish brown. 

 Abdomen violaceous brown. Primaries light brown, the veins on 

 outer half streaked with black and orey; the costal margin shaded with 

 gi-een and fawn color, with darker spots at origin of lines; a greenish 

 streak below cell and on inner margin; the submcdian shaded with 

 lilacine; a dark streak on discocellular preceded b}' a green and lilacine 

 patch; traces of two lunular dark postmedial lines below vein 5; the 

 outer margin broadl}^ shaded with darker brown; a submarginal vel- 

 vety brown streak between 2 and 3 and between T and 8; the spot 

 between 2 and 3 followed by a white dash; marginal black points 

 between the veins; fringe light brown, spotted with dark brown at 

 tips of veins. Secondaries: the base and disk semihyaline violaceous 

 brown, the margins dark; fringe terminally whitish. 



Expanse. — Male, 36 mm.; female, 42 mm. 



Hahitat. — St. Laurent, Maroni River, French Guiana. 



T(/pe.— Cat No. 8673, U.S.N.M. 



DICENTRIA STRIDULA, new species. 



Head and thorax mottled diti'erent shades of brown, with a black 

 shade on vertex and collar. Abdomen blackish brown above, shaded 

 with light reddish brown on anal segments; underneath luteous, with 

 a dark ventral line. Primaries brownish-fawn, shaded with lilacine 

 above inner margin, in cell, and partly between 3 and 4; a dark brown 

 streak from Ixxse of costa across cell, extending between veins 2 and 3 

 to outer margin; a similar streak from discocellular, which is itself 

 dark brown to outer margin; a shorter streak above vein 6; a greenish 

 gre}^ spot at end of cell; traces of an antemedial, partly geminate, 

 dark dentate line, divided by a faint lilacine shade; traces of a similar 

 postmedial line; a short velvety brown dash between veins 7 and 8; 

 dark streaks at end of vein, extending on to fringe; a dentate white 

 submarginal spot between 2 and 3. Secondaries smoky brown, the 

 margins darker, 



Exjmnse. — 37 mm. 



Hahitat.- — St. Laurent, Maroni River, French Guiana. 



Type.-QaX. No. 8674, U.S.N.M. 



DICENTRIA PALMITA, new species. 



Head, thorax, and anal segments light brown; the abdomen other- 

 wise darker brown dorsally, whitish ventrally, with a basal darker 

 brown spot. Primaries: basal third of costa and cell blackish brown, 

 followed by a white space in cell; a lilacine streak on costa; the disco- 

 cellular pale brown, preceded b^^ an oval dark reddish brown spot, and 



